Mercury Marine V8 Marine ECU Tuning

Compare stock and tuned power for every supported Mercury Marine V8 marine engine. Review available performance data and request an assessment for your exact application.

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Search 300+ verified marine and outboard tuning applications

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Select a manufacturer to see supported outboards, marine engines and personal watercraft.

Mercury Marine V8

Mercury Marine V8 tuning at a glance

Our catalogue covers 7 Mercury Marine V8 engine variants, each with stock and tuned figures sourced from the remap database. The largest verified gain on the Mercury Marine V8 is +149 HP.

Most popular Mercury Marine V8 engines for remapping

The Mercury Marine V8 range splits into 7 petrol variants. Every figure above comes straight from our vehicle database. Pick your exact engine to see the stage-1 numbers.